UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FQKR2n7Ete2WH3wkq1L5tenI2ARK0vddU3m3XGMvvVQ=' 
WHERE 
  key_id = 'fb8731ec806d9a9e4d218c8882e58d7347dc3515839d422f2ecf2c0978ddaafc' 
  AND (
    token = 'FQKR2n7Ete2WH3wkq1L5tenI2ARK0vddU3m3XGMvvVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )